<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';
require_once __DIR__ . '/../mail/MailService.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(['success' => false, 'message' => 'Invalid request method.']);
    exit;
}

$name = trim($_POST['name'] ?? '');
$email = trim($_POST['email'] ?? '');
$subject = trim($_POST['subject'] ?? 'New Contact Inquiry');
$message = trim($_POST['message'] ?? '');

if (empty($name) || empty($email) || empty($message)) {
    echo json_encode(['success' => false, 'message' => 'Please fill in all required fields.']);
    exit;
}

if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
    echo json_encode(['success' => false, 'message' => 'Invalid email format.']);
    exit;
}

try {
    $stmt = db()->prepare("INSERT INTO contacts (name, email, subject, message) VALUES (?, ?, ?, ?)");
    $stmt->execute([$name, $email, $subject, $message]);

    // Attempt to send email via MailService if configured
    MailService::sendContactMessage($name, $email, $message);

    echo json_encode(['success' => true, 'message' => 'Message saved successfully.']);
} catch (PDOException $e) {
    error_log($e->getMessage());
    echo json_encode(['success' => false, 'message' => 'Database error. Please try again later.']);
}